Home / 2,005,643.40-3,005,840.70-806,584.20

Finding the Fourth Proportional to 2,005,643.40, 3,005,840.70 and 806,584.20

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Solution

The fourth proportional to 2,005,643.40, 3,005,840.70 and 806,584.20 is: 1,208,820.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,005,643.40 : 3,005,840.70 = 806,584.20 : x
  2. Step 2: Convert to fraction form
    2,005,643.40/3,005,840.70 = 806,584.20/x
  3. Step 3: Cross multiply
    2,005,643.40x = 3,005,840.70 × 806,584.20
  4. Step 4: Simplify right side
    2,005,643.40x = 2,424,463,616,336.94
  5. Step 5: Solve for x
    x = 2,424,463,616,336.94/2,005,643.40
  6. Step 6: Final answer
    x = 1,208,820.88

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.